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run code in 300+ PHP versions simultaneously
<?php // request API $sMsgId = date('YmdHis').str_pad(preg_replace('/^.+\./', '', microtime(true)), 4, '0', STR_PAD_LEFT); echo '<pre>'; var_dump($$sMsgId); echo '</pre>';
preferences:
39.11 ms | 402 KiB | 5 Q